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From Jonathan Ellis <>
Subject Re: Cassandra disk space utilization WAY higher than I would expect
Date Tue, 27 Jul 2010 17:08:19 GMT
On Tue, Jul 27, 2010 at 9:26 AM, Peter Schuller
<> wrote:
> I had failed to consider over-writes as a possible culprit (since
> removals were stated not to be done). However thinking about it I
> believe the effect of this should be limited to roughly a doubling of
> disk space in the absolute worst case of over-writing all data in the
> absolute worst possible order (such as writing everything twice in the
> same order).

Minor compactions (see will try to keep the
growth in check but it is by no means limited to 2x.

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support

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